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Fault codes › Sungrow › Sungrow SG350HX-US

Sungrow SG350HX 1632-1655

Code
1632-1655
Shown as
PV Grounding Fault
Page
94
ID
fc:sungrow-sg350hx-1632-1655
IRI
https://solarlattice.org/kb/fc/sungrow-sg350hx-1632-1655
Status
active
Also known as
1632-1655, Sungrow 1632-1655, PV Grounding Fault
Category
Inverters
Class fault drafted · lead
Production not stated
Clears not stated

Decoded

Reports ground fault alarm or trip; look at PV array; do: string isolation.

What can be behind Ground fault alarm or trip

Failure modes that present as the reported condition, and the tests that tell them apart.

Defined in

The manufacturer's own cause and corrective text is not reproduced here.

Same condition on other equipment

ABB / FIMER
ABB / FIMER PVS-166-175-TL E018, ABB / FIMER PVS-60-TL E018, ABB / FIMER TRIO-20.0-27.6-TL E018, ABB / FIMER UNO-DM-3.3-5.0-PLUS E018, ABB / FIMER UNO-DM-6.0-PLUS E018
CPS
CPS SCA50-100K-T PFault0040, CPS SCA50-100K-T Protect0200
Enphase
Enphase M215-M250 GFI Tripped
Fronius
Fronius Galvo 475, Fronius Primo 475, Fronius Symo 475
Huawei
Huawei SUN2000-100KTL-USH0 2031
SMA
SMA SB-US-40 3501, SMA SB-US-40 3601, SMA SB-US-40 3701, SMA SB-US-41 3501, SMA SB-US-41 3601, SMA SB-US-41 3701, SMA SBSE-US-50 3501, SMA SBSE-US-50 3601, SMA SBSE-US-50 3701, SMA PEAK3-US 3501, SMA PEAK3-US 3601, SMA PEAK3-US 3701, SMA CORE1-US 3501, SMA CORE1-US 3701, SMA STP-TL-US 3501, SMA STP-TL-US 3601, SMA STP-TL-US 3701, SMA STP-X-US 3501, SMA STP-X-US 3601, SMA STP-X-US 3701, SMA SC-CP-XT 3501, SMA SC-CP-XT 3502, SMA SC-CP-XT 3507, SMA SC-CP-XT 3512, SMA SC-CP-XT 3515, SMA SC-CP-XT 3601, SMA SC-CP-XT 6487
Schneider Electric
Schneider Electric CL125 033
Solis
Solis S6-EH2P PV ISO-PRO01, Solis S6-EH2P PV ISO-PRO02, Solis S6-EH3P30-60K PV ISO-PRO01, Solis S6-EH3P30-60K PV ISO-PRO02, Solis S6-EH3P75-150K PV ISO-PRO01, Solis S6-EH3P75-150K PV ISO-PRO02
Sungrow
Sungrow SG200HX 1600-1615, Sungrow SG200HX 1632-1655, Sungrow SG250HX 1600-1615, Sungrow SG250HX 1632-1655, Sungrow SG350HX 1600-1615
Yaskawa Solectria
Yaskawa Solectria SGI-XTM DC GND Fault, Yaskawa Solectria SGI-XTM RCM Fault, Yaskawa Solectria XGI-1500-1MW CRIT-7, Yaskawa Solectria XGI-1500 CRIT-7, Yaskawa Solectria XGI-1500-DCG CRIT-7

Same code in other families

Claims

defined_in

c1 drafted · lead Sungrow SG350HX-US User Manual

reports

c2 verified · fact Ground fault alarm or trip

verified by: review-workflowverified on: 2026-10-23review note: support check: partial - It is a PV grounding fault, but the range 1600-1615 is listed together with 1632-1655, and alarm versus trip is…

has_event_class

c3 drafted · lead Fault (device stops or needs intervention)

affects

c4 drafted · lead PV array

mitigated_by

c5 drafted · lead String isolation

Unplug faulty strings once DC current is below 0.5 A; keep them out until the fault is cleared; then contact service.

applies_to

c6 drafted · lead Sungrow SG350HX-US

Data